【ANSI】DN40美标橡胶柔性接管“150bar” DN40 American rubber flexible takeover &qu......
【ANSI】DN50美标橡胶软接头“与化工部标准一致” DN50 American rubber soft joint &q......
【ANSI】DN65美标橡胶避震喉“美国标准” DN65 American rubber shock absorber "......
【ANSI】DN80美标橡胶接头“美洲标准” DN80 American standard rubber joint "Am......
【ANSI】DN100美标橡胶管接头“实体工厂” DN100 American standard rubber pipe joint......
【ANSI】DN125美标橡胶伸缩节“长度130mm” DN125 American rubber expansion joint &q......
【ANSI】DN150美标橡胶防震接头“150Lb美国标准” DN150 American standard rubber......
【ANSI】DN250单球美标橡胶伸缩接头“150LB” ANSI DN250 single ball American standa......